Abstract

A model of composite quarks and leptons is constructed with confining SU( N) × SU(2) L × SU(2) R hypercolor interactions such that only standard quark and lepton families appear in global SU(2) L × SU(2) R doublets. Several generations are admitted by the anomaly-matching conditions and labeled by a discrete axial symmetry. The SU( N) interactions are N independent and play the role of technicolor. Three conserved U(1) V charges identified with Q, B − L and B + L prohibit qqq → l c transitions.

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